Question

How has immigration changed since the 1960s?

Answer 1

The right answer for the question that is being asked and shown above is that: "Immigration was low in the 1960s, increased until 2000, and then decreased." Immigration changed since the 1960s is that Immigration was low in the 1960s, increased until 2000, and then decreased.

Answer 2

"Immigration was low in the 1960s, and has gradually increased." is the real answer